Glen Loyd Videos: In the summer, great blue herons rule the Rock River

Some great blue herons stay year-round on the Rock River, but last winter's harsh temperatures drove virtually all of them south. The monster birds are back now entertaining boaters and bird watchers.

Glen Loyd lives on the Rock River in Janesville about 15 days a month. He is a former public information officer for Wisconsin Consumer Protection, publishes a weekly consumer protection blog and is a regular guest on radio consumer protection programs. Glen is a community blogger and is not a part of The Gazette staff. His opinion is not necessarily that of the The Gazette staff or management.